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Rotterdam, NL
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Patents Grants
last 30 patents
Information
Patent Grant
Free-piston motor with hydraulic or pneumatic energy transmission
Patent number
4,791,786
Issue date
Dec 20, 1988
De Rotterdamsche Droogdok Maatschappij
Paulinus F. Stuyvenberg
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Storage rack for the storage of fuel elements of nuclear reactors
Patent number
4,288,699
Issue date
Sep 8, 1981
De Rotterdamsche Droogdok Maatschappij B.V.
Adrianus van der Vlis
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
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Patent Grant
Process of working imperfections or defects on generally thickwalle...
Patent number
4,068,111
Issue date
Jan 10, 1978
De Rotterdamsche Droogdok Maatschappij B.V.
Hans Klumpes
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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last 30 patents
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